package Thread2;


class MyThread extends Thread{
    @Override
    public void run() {
        while(true){
            System.out.println("hello Thread!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }
    }
}
public class Demo1 {
    public static void main(String[] args) throws InterruptedException {
        // 创建Thread类的子类,在子类中重写run方法
        Thread t = new MyThread();
        t.start();

        while(true){
            System.out.println("hello Main!");
            Thread.sleep(1000);
        }
    }
}

